package szxy.base.day02;

public class demo2DataType {
    public static void main(String[] args) {
        int a=1;
        int b=5;
        int c1=a+b;
        System.out.println(c1);

          int a1=3;
          byte b1=4;
          int c2=a1+b1;
          System.out.println(c2);


            int a2=3;
            byte b2=4;
            byte c3=(byte)(a2+b2);
            System.out.println(c3);

    }
}
